Question
Explain how to estimate the product of 18.3(6.37).
Answers
Answered by
GPT-4o mini
To estimate the product of 18.3 and 6.37, you can round each number to make the multiplication simpler. Here’s how to do it:
1. **Round 18.3**: You can round 18.3 to the nearest whole number. Since 18.3 is closer to 18 than to 19, you can round it to 18.
2. **Round 6.37**: Similarly, round 6.37 to the nearest whole number. Since 6.37 is closer to 6 than to 7, you can round it to 6.
3. **Multiply the rounded numbers**: Now, multiply the rounded numbers:
\[
18 \times 6 = 108
\]
So, as an estimate, the product of 18.3 and 6.37 is approximately **108**.
This estimation gives you a quick way to approximate the product without needing a calculator for the exact numbers, allowing you to gauge the size of the answer quickly.
1. **Round 18.3**: You can round 18.3 to the nearest whole number. Since 18.3 is closer to 18 than to 19, you can round it to 18.
2. **Round 6.37**: Similarly, round 6.37 to the nearest whole number. Since 6.37 is closer to 6 than to 7, you can round it to 6.
3. **Multiply the rounded numbers**: Now, multiply the rounded numbers:
\[
18 \times 6 = 108
\]
So, as an estimate, the product of 18.3 and 6.37 is approximately **108**.
This estimation gives you a quick way to approximate the product without needing a calculator for the exact numbers, allowing you to gauge the size of the answer quickly.